Originally Posted by danilom  I think it would be too complicated to load the balls yourself,
you could just reverse the step direction to correct rotation (lefthand-righthand) when the ballscrews are mounted |
I think that he is referring to the position of the flange of the ballnut with respect to the ends of the screw. If he built the ballnut bracket expecting the flange to be nearest the motor end and the ballnut is mounted on the screw with the flange nearest the free end then things don't fit.
bob